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Cheap flights from Cardiff to Washington

CWL — SEA
7 Jul — 14 Jul1
1 adult

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cardiff to Washington?

    Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly out of when you book flights from Cardiff to Washington.

  • Can I find deals for flights from Cardiff to Washington that include hotel bookings?

    Yes. In addition to deals on Cardiff to Washington flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Washington.

  • Can I find deals for business class flights from Cardiff to Washington?

    Yes. Cheapflights offers flight deals from Cardiff to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cardiff to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Cardiff to State of Washington (average of £622). Flying from Cardiff to State of Washington in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Cardiff to Washington

Discover the top airline that operate flights from Cardiff to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£537Average£719FlexibilityNo cancel feeOn-time75%
Search KLM flights

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How does Cheapflights help users find flights from Cardiff to Washington?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cardiff to Washington. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Washington?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cardiff to Washington.

Can Cheapflights find flights from Cardiff to Washington with no change fees?

Need flexible booking options for your flight to Washington from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Cardiff to Washington become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington from Cardiff today and book when prices fit your budget.

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